Changes in devel/pb/lib/distro.pm [18:24] in ProjectBuilder

File:

• devel/pb/lib/distro.pm (modified) (3 diffs)

devel/pb/lib/distro.pm

@@ -10 +10 @@
 sub distro_init {
 
-my $ddir = shift;
-my $dver = shift;
+my $ddir = shift || undef;
+my $dver = shift || undef;
 my $dfam = "unknown";
 my $dtype = "unknown";
@@ -17 +17 @@
 
 # If we don't know which distribution we're on, then guess it
-($ddir, $dver) = distro_get() if ((not defined $ddir) || (not defined $dver));
+($ddir,$dver) = get_distro() if ((not defined $ddir) || (not defined $dver));
 
 # There shold be unicity of names between ddir dfam and dtype
@@ -82 +82 @@
 }
 
-sub distro_get {
+sub get_distro {
+
+# Cf: http://linuxmafia.com/faq/Admin/release-files.html
+# Ideas taken from 
+# http://search.cpan.org/~kerberus/Linux-Distribution-0.14/lib/Linux/Distribution.pm
+
+my $base="/etc";
+
+# List of files that unambiguously indicates what distro we have
+my %single_rel_files = (
+# Tested
+    'gentoo'            =>  'gentoo-release',       # >= 1.6
+    'debian'            =>  'debian_version',       # >= 3.1
+    'slackware'         =>  'slackware-version',    # >= 10.2
+    'mandriva'          =>  'mandriva-release',     # >=2006.0
+    'fedora'            =>  'fedora-release',       # >= 4
+    'sles'              =>  'sles-release',         # ???
+# Untested
+    'knoppix'           =>  'knoppix_version',      #
+    'yellowdog'         =>  'yellowdog-release',    #
+    'esmith'            =>  'e-smith-release',      #
+    'turbolinux'        =>  'turbolinux-release',   #
+    'blackcat'          =>  'blackcat-release',     #
+    'aurox'             =>  'aurox-release',        #
+    'annvix'            =>  'annvix-release',       #
+    'cobalt'            =>  'cobalt-release',       #
+    'redflag'           =>  'redflag-release',      #
+    'ark'               =>  'ark-release',          #
+    'pld'               =>  'pld-release',          #
+    'nld'               =>  'nld-release',          #
+    'lfs'               =>  'lfs-release',          #
+    'mk'                =>  'mk-release',           #
+    'conectiva'         =>  'conectiva-release',    #
+    'immunix'           =>  'immunix-release',      #
+    'tinysofa'          =>  'tinysofa-release',     #
+    'trustix'           =>  'trustix-release',      #
+    'adamantix'         =>  'adamantix_version',    #
+    'yoper'             =>  'yoper-release',        #
+    'arch'              =>  'arch-release',         #
+    'libranet'          =>  'libranet_version',     #
+    'valinux'           =>  'va-release',           #
+    'yellowdog'         =>  'yellowdog-release',    #
+    'ultrapenguin'      =>  'ultrapenguin-release', #
+    );
+
+# List of files that ambiguously indicates what distro we have
+my %ambiguous_rel_files = (
+    'mandrake'          =>  'mandrake-release',     # >= 10.1
+    'suse'              =>  'SuSE-release',         # >= 10.0
+    'redhat'            =>  'redhat-release',       # >= 7.3
+    'lsb'               =>  'lsb-release',          # ???
+    );
+
+# Should have the same keys as the previous one.
+# If ambiguity, which other distributions should be checked
+my %distro_similar = (
+    'mandrake'          => ['mandrake'],
+    'suse'              => ['suse', 'sles'],
+    'redhat'            => ['redhat', 'rhel', 'centos', 'mandrake'],
+    'lsb'               => ['ubuntu', 'debian', 'lsb'],
+    );
+
+my %distro_match = (
+# Tested
+    'gentoo'                => '.* version (.+)',
+    'debian'                => '([^/]+)[/]*.*',
+    'slackware'             => 'S[^ ]* (.+)$',
+# There should be no ambiguity between potential ambiguous distro
+    'mandrake'              => 'Mandr[^ ]* release (.+) \(',
+    'mandriva'              => 'Mandr[^ ]* [^ ]* release (.+) \(',
+    'fedora'                => 'Fedora .*release (\d+) \(',
+    'rhel'                  => 'Red Hat Enterprise Linux .*release (.+) \(',
+    'centos'                => '.*CentOS .*release (.+) ',
+    'redhat'                => 'Red Hat Linux release (.+) \(',
+    'sles'                  => '.* Enterprise .*\nVERSION = (.+)',
+    'suse'                  => '.* [^Enterpis] .*\nVERSION = (.+)',
+    'lsb'                   => '.*[^Ubunt].*\nDISTRIB_RELEASE=(.+)',
+    'ubuntu'                => '.*Ubuntu.*\nDISTRIB_RELEASE=(.+)',
+# Not tested
+    'arch'                  => '.* ([0-9.]+) .*',
+    'redflag'               => 'Red Flag (?:Desktop|Linux) (?:release |\()(.*?)(?: \(.+)?\)',
+);
+
+my $release;
+my $distro;
+
+# Begin to test presence of non-amiguous files
+# that way we reduce the choice
+my ($d,$r);
+while (($d,$r) = each %single_rel_files) {
+    if (-f "$base/$r" && !-l "$base/$r") {
+        my $tmp=get_content("$base/$r");
+        # Found the only possibility. 
+        # Try to get version and return
+        if (defined ($distro_match{$d})) {
+            ($release) = $tmp =~ m/$distro_match{$d}/m;
+        } else {
+            print STDERR "Unable to find $d version in $r\n";
+            print STDERR "Please report to the maintainer bruno_at_project-builder.org\n";
+            $release = "unknown";
+        }
+        return($d,$release);
+    }
+}
+
+while (($d,$r) = each %ambiguous_rel_files) {
+    if (-f "$base/$r" && !-l "$base/$r"){
+        # Found one possibility. 
+        # Get all distros concerned by that file
+        my $tmp=get_content("$base/$r");
+        my $found = 0;
+        my $ptr = $distro_similar{$d};
+        print $LOG "amb: ".Dumper($ptr)."\n" if ($debug >= 1);
+        $release = "unknown";
+        foreach my $dd (@$ptr) {
+            print $LOG "check $dd\n" if ($debug >= 1);
+            # Try to check pattern
+            if (defined $distro_match{$dd}) {
+                print $LOG "cmp: $distro_match{$dd} - vs - $tmp\n" if ($debug >= 1);
+                ($release) = $tmp =~ m/$distro_match{$dd}/m;
+                if ((defined $release) && ($release ne "unknown")) {
+                    $distro = $dd;
+                    $found = 1;
+                    last;
+                }
+            }
+        }
+        if ($found == 0) {
+            print STDERR "Unable to find $d version in $r\n";
+            print STDERR "Please report to the maintainer bruno_at_project-builder.org\n";
+            $release = "unknown";
+        } else {
+            return($distro,$release);
+        }
+    }
+}
+return("unknown","unknown");
+}
+
+sub get_content {
+
+my $file=shift;
+
+my $bkp = $/;
+undef $/;
+open(R,$file) || die "Unable to open $file: $!";
+my $content=<R>;
+close(R);
+chomp($content);
+$/ = $bkp;
+return($content);
 }
 1;